Added extra validation to take account no shape key
Added extra validation to take account no shape key

DataZombies/WSCoachMarksView,workshirt/WSCoachMarksView,mekentosj/WSCoachMarksView,haiiev/WSCoachMarksView,wanglongshuai/WSCoachMarksView,koknine/WSCoachMarksView,bimawa/WSCoachMarksView